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Battery operated hearing aid, circa 1910

Battery operated hearing aid, circa 1910

C019/8156

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50.0 MB (3.0 MB compressed)

5181 x 3373 pixels

43.9 x 28.4 cm ⏐ 17.3 x 11.2 in (300dpi)

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Early battery operated hearing aid dating from around 1910. It was known as The Ardente and was manufactured by R.H. Dent of Oxford Street, London. This invention followed the new technology of the time; microphones and batteries. It is made of metal and worked by amplifying sounds.

Release details

Model release not required. Property release not required.

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